參數(shù)資料
型號: MBM29F400TA
廠商: Fujitsu Limited
英文描述: 4M (512K×8/256K ×16) Bit Flash Memory(4M 單5V 電源電壓512K×8/256K ×16位閃速存儲器)
中文描述: 4分(為512k × 8/256K × 16)位閃存(4分單5V的電源電壓為512k × 8/256K × 16位閃速存儲器)
文件頁數(shù): 41/47頁
文件大小: 424K
代理商: MBM29F400TA
41
MBM29F400TA/MBM29F400BA
Figure 21 Sector Protection Algorithm
Set Up Sector Addr.
(A
17
, A
16
, A
15
, A
14
, A
13
, A
12
)
Activate WE Pulse
WE
=
V
IH
, CE
=
OE
=
V
IL
A
9
should remain V
ID
Yes
Yes
No
No
OE
=
V
ID
, A
9
=
V
ID
,
A
6
=
CE
=
V
IL
, RESET
=
V
IH
PLSCNT = 1
Time out 100
μ
s
Read from Sector
Addr. = SA, A
0
= 0, A
1
= 1, A
6
= 0
Remove V
ID
from A
9
Write Reset Command
Increment PLSCNT
No
Yes
Protect Another Sector
Start
Device Failed
Sector Protection
Completed
Data = 01H
PLSCNT = 25
Remove V
ID
from A
9
Write Reset Command
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